8 SYMPTOMS of a Bad Car Negative Battery Cable | Signs Engine Ground Strap is Faulty

In this Video we'll explore the common symptoms of a faulty or damaged ground strap so you’re aware of what to look out for!

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#negativeBatteryCableSymptoms #BatteryShortCircuit #SignsofBadEngineGround #BadEngineGroundStrap #EngineElectricalIssues

[pbrown]

Many years ago I owned a 1963 Diamond-T truck. It started having electrical problems in the dash. I took it to an electrical technician and they told me they would fix it, no problem. The next trip I had trouble getting it started. Took it back to the electrical mechanic shop and they said my 4 battery's were just bad. Needless to say, 4 new batteries and I still had problems starting the engine and still had problems with the dash lights and other cab lights. I called up a guy I knew who was a Cummins engine mechanic and told him my problem. He told me to take the ground off the frame and the battery and throw it away. He said buy a new cable and then he told me to buy another cable to put on the opposite side of the engine to ground it to the engine and then to the frame. He also told me to actually sand or grind the places on the frame and engine. It worked great from then on. It had cost me a couple of thousand dollars to go through the previous so called repairs and lost wages due to the down time the truck was in the shop.

[MrJoelJ]

Have a '94 F250 460 that I finally figured out had a bad ground. The symptoms included failure to crank on a warm engine and gauge problems. Threw a new coil, alternator, etc..., at the issue until somebody on the 460 forum told me to check. Sure enough the ground strap attached to block was held on with only a few strands of wire and disintegrated when I touched it. Replaced the strap and bolt and problems all solved.

[BDCaine]

Had this problem with my 87 cutlass, lights and instrument cluster flickered when driving over humps, or stopping at red lights, looked under hood, and low and behold I discovered the ground strap had came loose, tightened it with a spare bolt from garage and problem solved😎

[markschissler]

Great video; had lots of clues I had a grounding problem on my 2006 Silverado. Finally fixed it by replacing the negative battery cable and adding an additionl grounding strap to body ground point on firewall. I had all the clues, but finding the electron disruption took a LONG time??? Thanks!!

[HALDikopter]

Measure Voltage between battery negative and the frame, also between the alternator negative and battery negative. If you get elevated readings, there's a ground fault.

[r.weaver]

Doing a "voltage drop" test confirms condition of ground strap. with engine running and lights, fan on high, radio on, and a multi meter switched to DC volts, put negative on battery negative, the other lead touch metal of engine block, alternator housing, ground wire eyelets to seek faulty connections. 0.056 or less is good, higher say 0.09 or 0.1 indicates fault in ground. The reason everything on when doing test is to "Load" the circuit. Not loading the circuit can give false readings, i.e. corrosion can allow connection, but when a load is applied the corroded connection sees amperage beyond it's current capabilities and temporarily breaks connection.

[evilmcmev]

Thanks you for this video because tonight its happened to me till driving all lights shot off , abs,position, middle lights air conditioner, cd all I can't use the blinkers to inform other drivers that I have a problem with a lot Pure lights I come home.thanks again
.

[nimblenate]

Is it common for mechanics to brush off the idea of a bad ground.. ive had 2 or 3 basically laugh at the idea but im pretty sure thats the problem .. seems so hard to find a decent mechanic

[olbluetundra]

Luckily I've never really had electrical issues with my vehicles. 1 of the first things I do when I get a new or new to me used 1 is the big 3 upgrade. I always use pure copper wire and lugs. Minimum size is #2 welding cable and maximum size 4/0 on my dual battery setups in my truck. Even my 08 yaris with the sound system has 3 runs of 1/0 welding cable to handle the 325a singer alt.

[bird]

I had 12 check engine codes on my 97 4runner, changed the ground strap just for the hell of it because the previous owner used a lamp wire and all check engine codes disappeared

[RicardoGutierrez-lz]

I appreciate this video down to the hlmatter at hand

[Rick-qfde]

90% of all electrical problems is a bad I will usually even add two more field grounds... 1 to the fender and one directly to the alternator mount. And make sure the engine ground is clean....

[grominwithrob]

I like to install extra ground wires, but I also make jumper grounds so multiple grounds are tied together.

[dannylinc]

Most stories i get that lead me to look at somebodys car, result in finding the cables arent connected clean and tight at the battery posts.
After that check of twisting, i go to their alt belt, and inspect visible ground straps. Body/frame, head or block, head to firewall, what have you.
Its usually shoddy job by the last person who touched the battery and 1/2 ast it.

[ronaldchristy]

2014 gmc savana, crank no start. No fuel pressure. Checked ground by running a jumper cable from ground to frame. Immediate start.

[martyjoseph]

Looking into this today. My brother gave me a car and he said to add fuel treatment because it bucks when you go up an incline... Then I noticed flickering lights and low battery voltage... Don't think fuel additive is a cure all
Edit: FYI years ago I had an old jeep, rusty but trusty. When it sat it would drain the battery, but luckily one night I noticed the lights would flicker just a tad every time I pushed in the clutch... So I parked it with just enough pressure on the clutch pedal to barely apply the throw out bearing, and the battery was good. I added some ground wires in various places where they had failed and an additional one from the negative battery post to the fire wall. Problem solved.

[christophethunt]

I'm wondering if this is why my alternator gauge flickers when my blicker is on.

[Logical.Nonsense]

TLDR:
#1 Flickering headlights
#2 Problems starting
#3 Dimming interior lights
#4 Warning lights on dash i.e. battery light
#5 Low voltage from battery
#6 Stalling or hesitation
#7 Multiple electrical problems
#8 Battery doesn't charge properly

[williamweirjr]

My brother had a Toyota truck that would shut off in certain circumstances and I found the loose ground cable top of engine. I walked right up to it and they had been trying forever to figure it out. A good mechanic was offended because I made him look bad . Not my intention.

[gulzarzeb]

Mine GMC envoy 2008 in saudi arabia has headlight, dash and instrument cluster flickering and battery or charge guage ablittle flickering
Plz explain
Battery ok
Alernatpr ok
Sensors clean .. ok
Plz explain